@article{DAN_1975_220_4_a20,
     author = {G. I. Petrunin and R. P. Yurchak},
     title = {On the phonon heat conduction in the {Earth} mantle},
     journal = {Doklady Akademii Nauk},
     pages = {833--836},
     publisher = {mathdoc},
     volume = {220},
     number = {4},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_220_4_a20/}
}